//
//  ViewController.swift
//  面向协议编程
//
//  Created by 我演示 on 2019/11/5.
//  Copyright © 2019 ALLSall. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }


}

extension ViewController: TextAble {
    func demo() {
        
    }
}
